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NTSE Sample Paper NTSE SAT Practice Test-19

  • question_answer
    Two trains of lengths 100 m and 150 m are moving in opposite directions at speeds of 75 kmph and 50 kmph respectively. What is the time taken by them to cross each other?

    A) 7.4 sec             

    B)        7.2 sec

    C) 7 sec                            

    D) 6.8 sec

    Correct Answer: B

    Solution :

    [b] Relative speed =125 kmph Distance to be crossed = 250 m. Time \[=\frac{250}{125\times \frac{5}{18}}\]sec = 7.2 sec


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